docs: def from_table(table, engine, limit=None):
      """
      Select data in a database table and put into prettytable.
  
      Create a :class:`prettytable.PrettyTable` from :class:`sqlalchemy.Table`.
  
      **中文文档**
  
      将数据表中的数据放入prettytable中.
      """
      sql = select([table])
      if limit is not None:
          sql = sql.limit(limit)
      result_proxy = engine.execute(sql)
      return from_db_cursor(result_proxy.cursor)